CVE-2026-58644

Katalog CVE

CVSS 9.8 · Critical KEV · sudah dieksploitasi EPSS 15,9%

Kerentanan Deserialization of Untrusted Data pada microsoft sharepoint server. Skor CVSS 3.1 9.8 (Critical) menurut microsoft.com. Masuk katalog KEV CISA pada 16 Juli 2026, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

Deserialization of untrusted data in Microsoft Office SharePoint allows an unauthorized attacker to execute code over a network.

Rincian

Terbit di NVD

14 Juli 2026

Terakhir diubah

17 Juli 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber microsoft.com
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-502: Deserialization of Untrusted Data

EPSS (30 hari)

15,9% peluang dieksploitasi; lebih tinggi dari 96,8% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Masuk KEV

16 Juli 2026

Tenggat CISA

19 Juli 2026 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58644 patch · advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-58644 pemerintah AS